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/*
* The Mana World Server
* Copyright 2007 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMWSERV_GAMESERVER_TRADE_HPP_
#define _TMWSERV_GAMESERVER_TRADE_HPP_
#include <vector>
class Character;
class Inventory;
class Trade
{
public:
/**
* Sets up a trade between two characters.
* Asks for an acknowledgment from the second one.
*/
Trade(Character *, Character *);
/**
* Cancels a trade by a given character (optional).
* Warns the other character the trade is cancelled.
* Takes care of cleaning afterwards.
*/
void cancel(Character *);
/**
* Requests a trade to start with given public ID.
* Continues the current trade if the ID is correct, cancels it
* otherwise.
* @return true if the current trade keeps going.
*/
bool request(Character *, int);
/**
* Agrees to complete the trade.
*/
void accept(Character *);
/**
* Adds some items to the trade.
*/
void addItem(Character *, int slot, int amount);
private:
~Trade();
struct TradedItem
{
unsigned short id;
unsigned char slot, amount;
};
typedef std::vector< TradedItem > TradedItems;
enum TradeState
{
TRADE_INIT = 0, /**< Waiting for an ack from player 2. */
TRADE_RUN, /**< Currently trading. */
TRADE_EXIT /**< Waiting for an ack from player 2. */
};
static bool perform(TradedItems items, Inventory &inv1, Inventory &inv2);
Character *mChar1, *mChar2; /**< Characters involved. */
TradedItems mItems1, mItems2; /**< Traded items. */
TradeState mState;
};
#endif
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